Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

Lat: 44.523°NLon: 114.21611°WElev: 5026.0ft.

Partly Cloudy

33°F

1°C

Humidity 91%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 10 Dec 04:55 AM MST
Extended Forecast for

25 Miles NNE Mackay ID

  • Overnight

    Overnight: A 30 percent chance of rain.  Mostly cloudy, with a low around 31. Southeast wind around 8 mph.

    Low: 31 °F

    Chance Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 45. West wind 9 to 14 mph, with gusts as high as 18 mph.

    High: 45 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Northeast wind around 10 mph becoming southeast in the evening.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42. Northeast wind 10 to 14 mph becoming west in the morning.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. West wind 7 to 10 mph.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of rain. Mostly cloudy, with a low around 31. Southeast wind around 8 mph.
Wednesday
Mostly sunny, with a high near 45. West wind 9 to 14 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 30. Northeast wind around 10 mph becoming southeast in the evening.
Thursday
Mostly sunny, with a high near 42. Northeast wind 10 to 14 mph becoming west in the morning.
Thursday Night
Mostly cloudy, with a low around 32. West wind 7 to 10 mph.
Friday
Partly sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 42.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
25 Miles NNE Mackay ID
 44.24°N 113.41°W (Elev. 6424 ft)
4:31 am MST Dec 10, 2025
5am MST Dec 10, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database